libfuse
fuse_log.c
1 /*
2  FUSE: Filesystem in Userspace
3  Copyright (C) 2019 Red Hat, Inc.
4 
5  Logging API.
6 
7  This program can be distributed under the terms of the GNU LGPLv2.
8  See the file COPYING.LIB
9 */
10 
11 #include "fuse_log.h"
12 
13 #include <stdarg.h>
14 #include <stdio.h>
15 
16 static void default_log_func(
17  __attribute__(( unused )) enum fuse_log_level level,
18  const char *fmt, va_list ap)
19 {
20  vfprintf(stderr, fmt, ap);
21 }
22 
23 static fuse_log_func_t log_func = default_log_func;
24 
26 {
27  if (!func)
28  func = default_log_func;
29 
30  log_func = func;
31 }
32 
33 void fuse_log(enum fuse_log_level level, const char *fmt, ...)
34 {
35  va_list ap;
36 
37  va_start(ap, fmt);
38  log_func(level, fmt, ap);
39  va_end(ap);
40 }
void(* fuse_log_func_t)(enum fuse_log_level level, const char *fmt, va_list ap)
Definition: fuse_log.h:52
fuse_log_level
Definition: fuse_log.h:28
void fuse_set_log_func(fuse_log_func_t func)
Definition: fuse_log.c:25
void fuse_log(enum fuse_log_level level, const char *fmt,...)
Definition: fuse_log.c:33